1 Samuel 18:1
And it came to pass, when he had made an end of speaking unto Saul, that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul.
1 Samuel 20:16
So Jonathan made a covenant with the house of David, saying, Let the LORD even require it at the hand of David's enemies.
Greet Priscilla and Aquila my helpers in Christ Jesus: Who have for my life laid down their own necks: unto whom not only I give thanks, but also all the churches of the Gentiles.